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    EEVblog #1014 – Masterlock Bluetooth Padlock Teardown

    What’s inside the Masterlock 4400 Bluetooth Padlock? Dave tests and investigates a particular magnetic attack ...

    • Dave J:

      Looks like you may have to put together some kits for this project!

      Crack job!
      -Robb

      • One more thing I forgot; you were going to post some tips on how to properly tie off the unused portion(s) of op amps.

        Just a FYI . . .

    • Chupacabras

      Where to get that 4-digit (or 3 1/2?) display used in this dummy load?

    The EEVblog Store generally ships twice a week, on Tuesdays & Fridays, Sydney time. Dismiss